@article{mungmunpuntipantip_wiwanitkit_2023,  title={Comment to: Post-vaccination incidence and side effects of COVID-19 in a cohort of Brazilian healthcare professionals: an internet-based survey},  volume={21},  ISSN={1679-4508},  url={https://doi.org/10.31744/einstein_journal/2023CE0403},  DOI={10.31744/einstein_journal/2023CE0403},  journal={einstein (São Paulo)},  publisher={Instituto Israelita de Ensino e Pesquisa Albert Einstein},  author={Mungmunpuntipantip, Rujittika and Wiwanitkit, Viroj},  year={2023},  pages={eCE0403} }